CN210916195U

CN210916195U - Energy-saving metal wire annealing furnace

Info

Publication number: CN210916195U
Application number: CN201921711214.4U
Authority: CN
Inventors: 高潮
Original assignee: Anwei Electric Co ltd
Current assignee: Anwei Electric Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-03
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an energy-saving metal wire annealing furnace, which comprises an annealing furnace body, wherein a steel plate is arranged in the inner cavity of the annealing furnace body, and the steel plate is paved and attached to the surface of the inner cavity of the annealing furnace body; the steel sheet lateral wall is equipped with metal side's pipe additional, and the upper end of metal side's pipe is connected with the bottom contact of top layer steel sheet, and the lower extreme of metal side's pipe is connected with the up end contact of top layer steel sheet. The utility model provides an energy-conserving wire annealing stove, the high temperature heat preservation cotton of hard firebrick lower extreme installation, mullite insulating brick and first layer nanometer heat preservation material layer have good heat preservation effect, and the first refractory ceramic fiber module, second layer nanometer heat preservation material layer and the heated board of the outer side installation of inlayer firebrick have good heat preservation effect, keep furnace inside temperature stable, provide good thermal treatment environment for the wire; by adopting the structure, the heat treatment effect of the metal wire is improved, the heat loss is small, the energy consumption is reduced, and the resources are saved.

Description

Energy-saving metal wire annealing furnace

Technical Field

The utility model relates to annealing furnace technical field, in particular to energy-saving metal wire annealing furnace.

Background

The annealing furnace is a new kind of heat exchange equipment, put the metal machine part in different annealing furnaces and heat to certain temperature slowly, keep warm for a period of time, then cool (usually natural cooling, sometimes control cooling) a kind of metal heat treatment process at the suitable speed, the purpose is to pass the softening of work piece through the material of casting, forging and rolling, welding or cutting process, reduce the hardness and improve the plasticity and toughness, make the chemical composition homogenize, take out the residual stress, or obtain the anticipated physical properties; however, the existing annealing furnace consumes more fuel during working due to the limitation of the structure of the annealing furnace, and provides an energy-saving metal wire annealing furnace in order to achieve better heat treatment effect and save fuel as much as possible.

Disclosure of Invention

Solve current annealing stove not good to the wire heat treatment effect for this, problem that energy resource consumption is big, the utility model aims at providing an energy-conserving wire annealing stove has the advantage that heat treatment is good, the energy can be saved to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving metal wire annealing furnace comprises an annealing furnace body, wherein a steel plate is arranged in an inner cavity of the annealing furnace body, and is paved and attached to the surface of the inner cavity of the annealing furnace body; the side wall of the steel plate is additionally provided with a metal square pipe, the upper end of the metal square pipe is in contact connection with the bottom end of the top steel plate, and the lower end of the metal square pipe is in contact connection with the upper end face of the top steel plate; a first layer of refractory cotton is paved on the metal square pipe at the bottom layer, a first layer of light heat-insulating brick is paved at the upper end of the first layer of refractory cotton, a second layer of refractory cotton is paved at the upper end of the first layer of light heat-insulating brick, a second layer of heat-insulating brick is paved at the upper end of the second layer of refractory cotton, a third layer of refractory cotton is paved at the upper end of the second layer of heat-insulating brick, a calcium silicate hard board is paved at the upper end of the third layer of refractory cotton, a first layer of nano heat-insulating material layer is paved at the upper end of the calcium silicate hard board, and a mullite heat-insulating brick is paved at the upper end of; the inner side surface of the metal square tube on the upper end surface of the mullite heat-insulating brick is provided with a heat-insulating plate, the inner side surface of the heat-insulating plate is provided with a second nano heat-insulating material layer, the upper end surface of the mullite heat-insulating brick on the inner side of the second nano heat-insulating material layer is paved with high-temperature heat-insulating cotton, and the upper end surface of the high-temperature heat-insulating cotton is paved with hard; a first refractory ceramic fiber module is arranged on the inner side of the second nanometer heat-insulating material layer on the upper end face of the hard refractory brick, an inner refractory brick is built on the inner side of the first refractory ceramic fiber module, and a second refractory ceramic fiber module is additionally arranged on the inner side of the upper end of the inner refractory brick; a metal wire taking and placing opening is formed in the front side of the annealing furnace body, a smoke exhaust device is additionally arranged on the annealing furnace body on one side adjacent to the metal wire taking and placing opening, and the smoke exhaust device is opposite to the lower end of the second refractory ceramic fiber module; the upper end of the hard refractory brick is provided with an electric heating wire and a silicon-carbon rod heating material, the silicon-carbon rod heating material is parallelly and equidistantly arranged on the hard refractory brick, and the electric heating wire is parallelly arranged between two adjacent silicon-carbon rod heating materials; an electric control system is additionally arranged on the outer side of the annealing furnace body, and the electric heating wire is electrically connected with the electric control system.

Preferably, the length of the annealing furnace body is 1500mm-8000mm, the width is 1400mm-2200mm, and the height is 1650 mm.

Preferably, the length of the metal wire taking and placing opening is 550-1100 mm.

Preferably, a temperature sensor is installed at the lower end of the second refractory ceramic fiber module and electrically connected with an electric control system.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an energy-saving metal wire annealing furnace, which comprises a bottom support consisting of a first layer of refractory cotton, a first layer of light heat-insulating brick, a second layer of refractory cotton, a second layer of heat-insulating brick, a third layer of refractory cotton, a calcium silicate hard board, a first layer of nano heat-insulating material layer, a mullite heat-insulating brick, high-temperature heat-insulating cotton and hard refractory bricks, and a side support consisting of a heat-insulating board, a second layer of nano heat-insulating material layer, a first refractory ceramic fiber module and inner-layer refractory bricks; when the furnace is in work, the metal wire is placed in the furnace, the power supply is turned on, the electric control system controls the electric heating wire to be electrified and generate heat, the heat is transferred to the silicon carbide rod heating material, the metal wire is placed on the silicon carbide rod heating material, so that the metal wire is heated, and the metal wire is subjected to heat treatment; the hard refractory bricks and the inner-layer refractory bricks are hard in texture and strong in fire resistance, and provide an installation platform for heating wires and silicon carbide rod heating materials, the high-temperature heat-preservation cotton, the mullite heat-preservation brick and the first nano heat-preservation material layer which are installed at the lower ends of the hard refractory bricks have good heat-preservation effects, and the first refractory ceramic fiber module, the second nano heat-preservation material layer and the heat-preservation plate which are installed on the outer sides of the inner-layer refractory bricks have good heat-preservation effects, so that heat loss in a hearth is small, the temperature inside the hearth is kept stable, and a good heat treatment environment is provided for metal wires; by adopting the structure, the heat treatment effect of the metal wire is improved, the heat loss is small, the energy consumption is reduced, and the resources are saved.

Drawings

FIG. 1 is a block diagram of the overall structure of the present invention;

FIG. 2 is a main sectional view of the present invention;

FIG. 3 is a schematic structural view of the smoke evacuation device of the present invention;

fig. 4 is a diagram of the installation state of the metal wire of the present invention.

In the figure: 1. an annealing furnace body; 2. a steel plate; 3. a metal square tube; 4. a first layer of refractory cotton; 5. a first layer of light insulating bricks; 6. a second layer of refractory cotton; 7. a second layer of insulating bricks; 8. a third layer of refractory cotton; 9. calcium silicate hard board; 10. a first layer of nano thermal insulation material; 11. mullite heat-insulating brick; 12. a thermal insulation board; 13. a second layer of nano heat insulation material layer; 14. high-temperature heat preservation cotton; 15. hard refractory bricks; 16. a first refractory ceramic fiber module; 17. an inner layer of refractory bricks; 18. a second refractory ceramic fiber module; 19. a metal wire taking and placing opening; 20. a fume extractor; 21. an electric heating wire; 22. heating the material by a silicon carbide rod; 23. an electronic control system; 24. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an energy-saving metal wire annealing furnace comprises an annealing furnace body 1, wherein the annealing furnace body 1 has a length of 1500mm-8000mm, a width of 1400mm-2200mm and a height of 1650mm, a user can select the annealing furnace bodies 1 with different sizes according to requirements, a steel plate 2 is arranged in an inner cavity of the annealing furnace body 1, and the steel plate 2 is laid flat and attached to the surface of the inner cavity of the annealing furnace body 1; a metal square pipe 3 is additionally arranged on the side wall of the steel plate 2, the upper end of the metal square pipe 3 is in contact connection with the bottom end of the top steel plate 2, and the lower end of the metal square pipe 3 is in contact connection with the upper end face of the top steel plate 2; a first layer of refractory cotton 4 is flatly paved on the metal square tube 3 at the bottom layer, a first layer of light heat-insulating brick 5 is flatly paved at the upper end of the first layer of refractory cotton 4, a second layer of refractory cotton 6 is paved at the upper end surface of the first layer of light heat-insulating brick 5, a second layer of heat-insulating brick 7 is paved at the upper end surface of the second layer of refractory cotton 6, a third layer of refractory cotton 8 is paved at the upper end surface of the second layer of heat-insulating brick 7, a calcium silicate hard plate 9 is paved at the upper end surface of the third layer of refractory cotton 8, a first layer of nano heat-insulating material layer 10 is paved at the upper end surface of the calcium silicate hard plate 9, and a mullite heat; an insulation board 12 is arranged on the inner side surface of the metal square tube 3 on the upper end surface of the mullite insulation brick 11, a second nano insulation material layer 13 is arranged on the inner side surface of the insulation board 12, high-temperature insulation cotton 14 is laid on the upper end surface of the mullite insulation brick 11 on the inner side of the second nano insulation material layer 13, and hard refractory bricks 15 are laid on the upper end surface of the high-temperature insulation cotton 14; a first refractory ceramic fiber module 16 is arranged on the inner side of the second nanometer heat-insulating material layer 13 on the upper end surface of the hard refractory brick 15, an inner refractory brick 17 is built on the inner side of the first refractory ceramic fiber module 16, and a second refractory ceramic fiber module 18 is additionally arranged on the inner side of the upper end of the inner refractory brick 17; a metal wire taking and placing opening 19 is formed in the front side of the annealing furnace body 1, the length of the metal wire taking and placing opening 19 is 550-1100mm, a smoke exhaust device 20 is additionally arranged on the annealing furnace body 1 on one side adjacent to the metal wire taking and placing opening 19, and the smoke exhaust device 20 is over against the lower end of the second refractory ceramic fiber module 18; the upper end of the hard refractory brick 15 is provided with an electric heating wire 21 and a silicon carbide rod heating material 22, the silicon carbide rod heating material 22 is parallelly and equidistantly arranged on the hard refractory brick 15, and the electric heating wire 21 is parallelly arranged between two adjacent silicon carbide rod heating materials 22; an electric control system 23 is additionally arranged on the outer side of the annealing furnace body 1, and the heating wire 21 is electrically connected with the electric control system 23; the temperature sensor 24 is installed at the lower end of the second refractory ceramic fiber module 18, the temperature sensor 24 is electrically connected with the electric control system 23, the temperature sensor 24 detects the temperature inside the hearth in real time and transmits a temperature signal to the electric control system 23, and the electric control system 23 controls the heating power of the heating wire 21 and controls the temperature inside the hearth to be between 700 ℃ and 1700 ℃.

To sum up, the utility model provides an energy-saving metal wire annealing furnace, by first layer fire resistant cotton 4, first layer light insulating brick 5, second layer fire resistant cotton 6, second layer insulating brick 7, third layer fire resistant cotton 8, calcium silicate hard board 9, first layer nanometer insulating material layer 10, mullite insulating brick 11, high temperature insulating cotton 14, hard firebrick 15 constitute the bottom support, constitute the side support by heated board 12, second layer nanometer insulating material layer 13, first fire resistant ceramic fiber module 16 and inner layer firebrick 17; when the furnace is in operation, the metal wire is placed in the furnace, the power supply is turned on, the electric control system 23 controls the electric heating wire 21 to be electrified and generate heat, the heat is transferred to the silicon carbide rod heating material 22, the metal wire is placed on the silicon carbide rod heating material 22, the metal wire is heated, and heat treatment is carried out on the metal wire; the hard refractory bricks 15 and the inner-layer refractory bricks 17 are hard in texture and strong in fire resistance, and provide mounting platforms for the heating wires 21 and the silicon carbide rod heating materials 22, the high-temperature heat-preservation cotton 14, the mullite heat-preservation bricks 11 and the first nano heat-preservation material layer 10 which are mounted at the lower ends of the hard refractory bricks 15 have good heat-preservation effects, and the first refractory ceramic fiber module 16, the second nano heat-preservation material layer 13 and the heat-preservation plate 12 which are mounted on the outer sides of the inner-layer refractory bricks 17 have good heat-preservation effects, so that heat loss in the hearth is small, the temperature inside the hearth is kept stable, and a good heat treatment environment is provided for metal wires; by adopting the structure, the heat treatment effect of the metal wire is improved, the heat loss is small, the energy consumption is reduced, and the resources are saved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The energy-saving metal wire annealing furnace is characterized by comprising an annealing furnace body (1), wherein a steel plate (2) is arranged in an inner cavity of the annealing furnace body (1), and the steel plate (2) is paved and attached to the surface of the inner cavity of the annealing furnace body (1); the side wall of the steel plate (2) is additionally provided with a metal square pipe (3), the upper end of the metal square pipe (3) is in contact connection with the bottom end of the top steel plate (2), and the lower end of the metal square pipe (3) is in contact connection with the upper end face of the top steel plate (2); a first layer of refractory cotton (4) is flatly laid on the metal square pipe (3) at the bottom layer, a first layer of light heat-insulating brick (5) is flatly laid at the upper end of the first layer of refractory cotton (4), a second layer of refractory cotton (6) is laid on the upper end surface of the first layer of light heat-insulating brick (5), a second layer of heat-insulating brick (7) is laid on the upper end surface of the second layer of refractory cotton (6), a third layer of refractory cotton (8) is laid on the upper end surface of the second layer of heat-insulating brick (7), a calcium silicate hard plate (9) is laid on the upper end surface of the third layer of refractory cotton (8), a first layer of nano heat-insulating material layer (10) is laid on the upper end surface of the calcium silicate hard plate (9), and a mullite heat-insulating brick (; the inner side surface of the metal square tube (3) on the upper end surface of the mullite heat-insulating brick (11) is provided with a heat-insulating plate (12), the inner side surface of the heat-insulating plate (12) is provided with a second nano heat-insulating material layer (13), the upper end surface of the mullite heat-insulating brick (11) on the inner side of the second nano heat-insulating material layer (13) is paved with high-temperature heat-insulating cotton (14), and the upper end surface of the high-temperature heat-insulating cotton (14) is paved with hard refractory; a first refractory ceramic fiber module (16) is arranged on the inner side of the second nanometer heat-insulating material layer (13) on the upper end face of the hard refractory brick (15), an inner-layer refractory brick (17) is built on the inner side of the first refractory ceramic fiber module (16), and a second refractory ceramic fiber module (18) is additionally arranged on the inner side of the upper end of the inner-layer refractory brick (17); a metal wire taking and placing port (19) is formed in the front side of the annealing furnace body (1), a smoke exhaust device (20) is additionally arranged on the annealing furnace body (1) on one side adjacent to the metal wire taking and placing port (19), and the smoke exhaust device (20) is over against the lower end of the second refractory ceramic fiber module (18); the upper end of the hard refractory brick (15) is provided with an electric heating wire (21) and a silicon carbide rod heating material (22), the electric heating wire (21) is additionally arranged inside the silicon carbide rod heating material (22), and the silicon carbide rod heating material (22) is parallelly and equidistantly additionally arranged on the hard refractory brick (15); an electric control system (23) is additionally arranged on the outer side of the annealing furnace body (1), and the electric heating wires (21) are electrically connected with the electric control system (23).

2. An energy efficient wire annealing furnace according to claim 1, wherein: the length of the annealing furnace body (1) is 1500mm-8000mm, the width is 1400mm-2200mm, and the height is 1650 mm.

3. An energy efficient wire annealing furnace according to claim 1, wherein: the length of the metal wire taking and placing opening (19) is 550-1100 mm.